Type 1 diabetes is usually diagnosed in children and young adults, and was previously known as juvenile diabetes.. Diabetes mellitus type 2 (formerly noninsulin-dependent diabetes mellitus (niddm) or adult-onset diabetes) is a metabolic disorder that is characterized by. Type 1 diabetes occurs when the body’s own immune system destroys the insulin-producing cells of the pancreas (called beta cells). normally, the body’s immune system.

Type 1 diabetes. in type 1 diabetes, the pancreas does not produce insulin. onset is usually in childhood or adolescence. type 1 diabetes is considered an autoimmune. Type 1 diabetes mellitus. type 1 diabetes is a chronic illness characterized by the body’s inability to produce insulin due to the autoimmune destruction.